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51.1 MB (51.0 MB compressed)
4122 x 4329 pixels
34.8 x 36.6 cm ⏐ 13.7 x 14.4 in (300dpi)
AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
X-ray (angiogram) showing a balloon catheter (dark line) passing through a narrowed region (dark patch, upper centre) of a shoulder artery in a patient. In a procedure called balloon angioplasty, this balloon catheter will be inflated to crush fatty deposits (atherosclerosis) inside the artery, opening up the blood vessel for improved blood flow.
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